Maximize viral and bacterial filtration for the Puritan Bennett™ 840 ventilator

The Puritan Bennett™ D/X800 disposable expiratory filter and drain system is designed for the Puritan Bennett™ 840 ventilator. It reduces particles and bacteria in a patient’s exhaled gas and protects the ventilator’s exhalation and spirometry systems.


  • Comprehensive condensate drainage system includes one-piece filter and collector vial and optional drain bag
  • Optional drain bag allows for condensation removal without breaking the ventilator circuit
  • Viral and bacterial filtration efficiency of greater than 99.999%
  • Resistance to flow less than 2.5 cmH2O at 100 L/min when new
  • Minimum of 99.97% filtration efficiency of 0.3 microns nominal particle size at 100 L/min flow
  • Meets CDC requirement for n100 filtration equivalency

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